package com.lengchangjing.BehavioralPatterns.InterpreterPattern;

import java.util.Hashtable;

public class Context {

    private Hashtable<String,String> ht = new Hashtable<String,String>();

    public void Assign(String key, String value)
    {
        ht.put(key, value);
    }

    public String Lookup(String key)
    {
        return ht.get(key);
    }

}
